48 Rockwell Automation Publication 1769-IN088A-EN-P - February 2011
Chapter 2 Module Wiring
1769-BOOLEAN
Compact combination 24V DC sink input/source output BOOLEAN control
module
1769-HSC
Compact high-speed counter module
Simplified Input Schematic
Simplified Output Schematic
Do not use the NC terminals
as connection points.
A
A
B
B
Z
Z
A1(+)
A1(–)
B1(+)
B1(–)
Z1(+)
Z1(–)
GND
VS
+VDC
COM
Cable
Power
Supply
Allen-Bradley
845H Series
differential
encoder.
Shield/Housing
Connect only if housing is electronically
isolated from the motor and ground.
Shield
Module Inputs
Earth
Differential Encoder Wiring
Use twisted-pair, individually-shielded cable with
a maximum length of 300 m (1000 ft).
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